PlantFun
Plant Needs
Sunlight
Full sun to partial shade; produces the most abundant blooms in full sun with consistent soil moisture
Watering
Water deeply when the top 5 cm of soil feels dry; tolerates short periods of drought once fully established
Temperature
Hardy to USDA zones 3–9; withstands cold winter temperatures and warm summer heat without significant stress
Characteristics
- Leaf: Simple, alternate, elliptical to obovate; serrated margins, glossy dark green turning yellow in fall
- Flower: Cylindrical terminal spikes of tiny white or pale pink fragrant blooms
- Stem: Slender, upright to arching stems; brownish-gray bark with mature growth
Care Guide
Watering
Keep soil consistently moist; apply 5–7 cm of mulch to retain moisture and suppress weeds
Fertilization
Apply balanced slow-release fertilizer once at bud break. Avoid high-nitrogen fertilizers that can promote excessive foliage growth at the expense of flowering
Eggshell powder topdress：Crush dried eggshells into fine powder; sprinkle 1 tbsp around the base of the shrub; water thoroughly to release calcium into the soilPruning
- Prune immediately after flowering to shape the shrub and encourage new growth for next year's bloom production
- Remove dead, damaged, or crossing branches to improve airflow and reduce disease risk
- Thin overcrowded stems to maintain an open, rounded form and ensure even sunlight penetration
Toxicity
Warning: this plant may be toxic.
Pets & Humans
Pets: ASPCA verified non-toxic to cats; no harmful compounds identified
Humans: Non-toxic to humans; no reported adverse health effects from ingestion or contact
Garden Uses & Culture
Culture: N/A
Usage: Ornamental shrub for borders, rain gardens, and pollinator habitats; fragrant blooms attract bees, butterflies, and hummingbirds
